Biersdorf Ag

Calculating rank

Trademarks = 1

Forward Citations = 29

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9 inventors (with patents filed for the assignee):

Dietrich Schulte (2 out of 3 patents)

Hanns Pietsch (1 out of 16 patents)

Reiner Leutz (1 out of 4 patents)

4. Albert Heimerl (1 out of 6 patents)

5. Gabriela Gotz (1 out of 1 patent)

6. Gunther Sachau (1 out of 6 patents)

7. Rudolf Theodor Petersen (1 out of 5 patents)

8. Wolfgang Fleck (1 out of 5 patents)

9. Jurgen C Quandt (1 out of 1 patent)

3 patents: Sort by Forward Citations

#199 in Hamburg

#8,451 in Germany

Forward Citations = 29

9 inventors:

Dietrich Schulte (2 out of 3 patents)

Hanns Pietsch (1 out of 16 patents)

Reiner Leutz (1 out of 4 patents)

4. Albert Heimerl (1 out of 6 patents)

5. Gabriela Gotz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Biersdorf Ag. Retrieved from https://idiyas.com/company/biersdorf-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]